Profootballtalk reports the Seahawks fear the knee injury sustained by DE ChrisClemons is a torn ACL.

Coach Pete Carroll acknowledged after the game that the team is worried about the injury. Clemons will undergo an MRI on Monday in Seattle. The team's leading pass rusher, Clemons reached double digits sacks for a third consecutive season. His long would be a big one at Atlanta next week. Rookie Bruce Irvin will be asked to take on a bigger role.